Democrat Marc Panepinto carries the endorsements of the Democratic Party and the Working Families Party

He is also endorsed by U.S. Senator Chuck Schumer, State Comptroller Tom DiNapoli, County Executive Mark Poloncarz, Buffalo Mayor Byron Brown, Congressman Brian Higgins, and Senator Tim Kennedy, as well as countless labor unions and community organizations including USW District 4, UFCW Local 1, UAW Region 9, NYSUT, 1199 SEIU, 32BJ SEIU, IBEW Local 97, Teamsters Joint Council 46, AFSCME District Council 66, CWA, National Association of Letter Carriers, NARAL, Sierra Club Atlantic Chapter, and the Western New York Community Action Council.